Home / 2,688,287.10-4,032,430.65-2,016,440.70

Finding the Fourth Proportional to 2,688,287.10, 4,032,430.65 and 2,016,440.70

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Solution

The fourth proportional to 2,688,287.10, 4,032,430.65 and 2,016,440.70 is: 3,024,661.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,688,287.10 : 4,032,430.65 = 2,016,440.70 : x
  2. Step 2: Convert to fraction form
    2,688,287.10/4,032,430.65 = 2,016,440.70/x
  3. Step 3: Cross multiply
    2,688,287.10x = 4,032,430.65 × 2,016,440.70
  4. Step 4: Simplify right side
    2,688,287.10x = 8,131,157,282,587.46
  5. Step 5: Solve for x
    x = 8,131,157,282,587.46/2,688,287.10
  6. Step 6: Final answer
    x = 3,024,661.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.